vue axios传中文参数导致乱码的解决方案

var that = this;
         var name = that.signform.signname;
         var username = that.signform.signusername;
         var password = that.signform.signpassword;
         var user_type = that.sign_user_type;
         var email = that.signform.mailAddress;
         var studentid = that.signform.studentid;
         this.$axios({
           method: "post",
           url:
             this.$api +
             `/Register/?name=${name}&username=${username}&password=${password}&user_type=${user_type}&email=${email}&studentid=${studentid}`, //利用了字符串模板来携带id
         })
           .then((res) => {
             console.log(res);
             this.changeCode();
           })
           .catch((req) => {
             // console.log(req);
           });

// Optionally the request above could also be done as
axios.get('/user', {
    params: {
      ID: 12345
    }
  })
  .then(function (response) {
    console.log(response);
  })
  .catch(function (error) {
    console.log(error);
  });

axios.post('/user', {
    firstName: 'Fred',
    lastName: 'Flintstone'
  })
  .then(function (response) {
    console.log(response);
  })
  .catch(function (error) {
    console.log(error);
  });

let data = new FormData();
data.append("name", this.signform.signname);
data.append("username", this.signform.signusername);
data.append("password", this.signform.signpassword);
data.append("user_type", this.sign_user_type);
data.append("email", this.signform.mailAddress);
data.append("studentid", this.signform.studentid);
console.log(data);
var that = this;
axios
  .post(this.$api + "/Register/", data) //以slash结尾
  .then(function (response) {
    console.log(response.data);
  })
  .catch((err) => {});